US3838013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sampling and bacteriological culturing device
Assignee: General Electric Co
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Filing: 1971-04-01
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Granted: 1974-09-24
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Expires: 1991-04-01
Abstract
Abstract IMPROVED DEVICES ARE DESCRIBED FOR COMBINED SAMPLING AND CULTURING TO ENABLE A MEASURE OF THE MICROOGANISM CONTENT OF A LIQUID SAMPLE. THE PREFERRED STRUCTURE IS A LONG THIN TUBE (E.G. A DISPOSABLE STERILE, TRANSPARENT, PREPLUGGED SEROLOGICAL PIPETTE) HAVING INTERNAL AREA THEREOF COATED WITH A UNIFORMLY THICK LAYER OF CULTURE MEDIUM.
Inventors
- 👤 J Bergeron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/02; B01L3/021; C; C12; C12M; C12M23/00; C12M23/02; C12M23/08; C12M33/00; C12M33/04; G; G01; G01N; G01N35/00; G01N35/10; G01N2035/1027; G01N2035/1048; G01N2035/1062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |